JFR (JDK Flight Recorder) is the default profiler for OpenJDK (see my other blog posts for more information). What makes JFR stand out from the other profilers is the ability to log many, many different events that contain lots of information, like information on class loading, JIT compilation, and garbage collection. You can see a list of all available events …

Sometime ago I wrote about modular Monoliths and the value of modern Monolithic architecture. One of the more interesting discussions that came out of that post (and video) is the inverse discussion: when is it right to still pick Microservices? Like any design choice, the answer is subjective and depends on many things. But there are still general rules of …

When using the publish-subscribe domain with JMS, we often want to use durable subscriptions. But how can this be done with Spring Boot? What is JMS? The Java Message Service (JMS) API is a standard for creating, sending, receiving, and reading messages. It enables distributed communication that is loosely coupled, reliable, and asynchronous. JMS supports two message delivery modes: Point-to-Point …